If f(x) = x - 3 and g(x) = x^2, what is the value of (fºg)(2)?
1. 1
2. -1
3. 4
4. -4

If private savings 'v' = 0.75s and total savings 's' equals $4.20 billion, solve for public and private savings.

Xy x xy if a and b are positive integers such that a*b=9 and b*a=72 what is the value of a/b

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